8428730 has 16 divisors (see below), whose sum is σ = 15267744. Its totient is φ = 3350160.

The previous prime is 8428729. The next prime is 8428759. The reversal of 8428730 is 378248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (954234).

Almost surely, 2^8428730 is an apocalyptic number.

8428730 is a deficient number, since it is larger than the sum of its proper divisors (6839014).

8428730 is a wasteful number, since it uses less digits than its factorization.

8428730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 8428730 is about 2903.2275143364. The cubic root of 8428730 is about 203.5107621480.

The spelling of 8428730 in words is "eight million, four hundred twenty-eight thousand, seven hundred thirty".